Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−
The chemistry of polyoxometalates (POMs) keeps drawing the attention of researchers, since they constitute a family of discrete molecular entities whose features may be easily modulated. Often considered soluble molecular oxide analogues, POMs possess enormous potential due to a myriad of choices co...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2015-07-01
|
| Series: | Inorganics |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2304-6740/3/3/341 |
| _version_ | 1819019349344649216 |
|---|---|
| author | Loïc Parent Pedro de Oliveira Anne-Lucie Teillout Anne Dolbecq Mohamed Haouas Emmanuel Cadot Israël M. Mbomekallé |
| author_facet | Loïc Parent Pedro de Oliveira Anne-Lucie Teillout Anne Dolbecq Mohamed Haouas Emmanuel Cadot Israël M. Mbomekallé |
| author_sort | Loïc Parent |
| collection | DOAJ |
| description | The chemistry of polyoxometalates (POMs) keeps drawing the attention of researchers, since they constitute a family of discrete molecular entities whose features may be easily modulated. Often considered soluble molecular oxide analogues, POMs possess enormous potential due to a myriad of choices concerning size, shape and chemical composition that may be tailored in order to fine-tune their physico-chemical properties. Thanks to the recent progress in single-crystal X ray diffraction, new POMs exhibiting diverse and unexpected structures have been regularly reported and described. We find it relevant to systematically analyse the different equilibria that govern the formation of POMs, in order to be able to establish reliable synthesis protocols leading to new molecules. In this context, we have been able to synthesise the Eu3+-containing silico-molybdo-tungstic dimer, [Eu(α-SiW9Mo2O39)2]13−. We describe the synthesis and characterisation of this new species by several physico-chemical methods, such as single-crystal X-ray diffraction, 183W NMR and electrochemistry. |
| first_indexed | 2024-12-21T03:33:54Z |
| format | Article |
| id | doaj.art-6f65cb24c0784799bc224271d85ddbae |
| institution | Directory Open Access Journal |
| issn | 2304-6740 |
| language | English |
| last_indexed | 2024-12-21T03:33:54Z |
| publishDate | 2015-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Inorganics |
| spelling | doaj.art-6f65cb24c0784799bc224271d85ddbae2022-12-21T19:17:24ZengMDPI AGInorganics2304-67402015-07-013334135410.3390/inorganics3030341inorganics3030341Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13−Loïc Parent0Pedro de Oliveira1Anne-Lucie Teillout2Anne Dolbecq3Mohamed Haouas4Emmanuel Cadot5Israël M. Mbomekallé6Institut Lavoisier de Versailles, Université de Versailles St. Quentin, UMR 8180 CNRS, Versailles, F-78035, FranceLaboratoire de Chimie Physique, Equipe d'Electrochimie et de Photo-électrochimie, Université Paris-Sud, UMR 8000 CNRS, Orsay, F-91405, FranceLaboratoire de Chimie Physique, Equipe d'Electrochimie et de Photo-électrochimie, Université Paris-Sud, UMR 8000 CNRS, Orsay, F-91405, FranceInstitut Lavoisier de Versailles, Université de Versailles St. Quentin, UMR 8180 CNRS, Versailles, F-78035, FranceInstitut Lavoisier de Versailles, Université de Versailles St. Quentin, UMR 8180 CNRS, Versailles, F-78035, FranceInstitut Lavoisier de Versailles, Université de Versailles St. Quentin, UMR 8180 CNRS, Versailles, F-78035, FranceLaboratoire de Chimie Physique, Equipe d'Electrochimie et de Photo-électrochimie, Université Paris-Sud, UMR 8000 CNRS, Orsay, F-91405, FranceThe chemistry of polyoxometalates (POMs) keeps drawing the attention of researchers, since they constitute a family of discrete molecular entities whose features may be easily modulated. Often considered soluble molecular oxide analogues, POMs possess enormous potential due to a myriad of choices concerning size, shape and chemical composition that may be tailored in order to fine-tune their physico-chemical properties. Thanks to the recent progress in single-crystal X ray diffraction, new POMs exhibiting diverse and unexpected structures have been regularly reported and described. We find it relevant to systematically analyse the different equilibria that govern the formation of POMs, in order to be able to establish reliable synthesis protocols leading to new molecules. In this context, we have been able to synthesise the Eu3+-containing silico-molybdo-tungstic dimer, [Eu(α-SiW9Mo2O39)2]13−. We describe the synthesis and characterisation of this new species by several physico-chemical methods, such as single-crystal X-ray diffraction, 183W NMR and electrochemistry.http://www.mdpi.com/2304-6740/3/3/341polyoxometalateselectrochemistryNMRX-ray structure |
| spellingShingle | Loïc Parent Pedro de Oliveira Anne-Lucie Teillout Anne Dolbecq Mohamed Haouas Emmanuel Cadot Israël M. Mbomekallé Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− Inorganics polyoxometalates electrochemistry NMR X-ray structure |
| title | Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− |
| title_full | Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− |
| title_fullStr | Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− |
| title_full_unstemmed | Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− |
| title_short | Synthesis and Characterisation of the Europium (III) Dimolybdo-Enneatungsto-Silicate Dimer, [Eu(α-SiW9Mo2O39)2]13− |
| title_sort | synthesis and characterisation of the europium iii dimolybdo enneatungsto silicate dimer eu α siw9mo2o39 2 13 |
| topic | polyoxometalates electrochemistry NMR X-ray structure |
| url | http://www.mdpi.com/2304-6740/3/3/341 |
| work_keys_str_mv | AT loicparent synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT pedrodeoliveira synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT annelucieteillout synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT annedolbecq synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT mohamedhaouas synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT emmanuelcadot synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 AT israelmmbomekalle synthesisandcharacterisationoftheeuropiumiiidimolybdoenneatungstosilicatedimereuasiw9mo2o39213 |